#navbar_rule {
    height: 25px
}

#background {
    height: 20rem;
}

@media (min-width: 768px) {
    #background {
        height: 30rem;
    }
}

#icon {
    font-size: 25px
}

.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.125);
}

[data-bs-theme="dark"] .card {
    border: 1px solid rgba(255, 255, 255, 0.125);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0.5rem 1.75rem 0 rgba(var(--bs-body-color-rgb), 0.15);
}